For apng2gif I modified Wu's method to use 64x64x64 cube (instead of original 32x32x32), and the results are much better. It doesn't require too much RAM, espec

For apng2gif I modified Wu's method to use 64x64x64 cube (instead of original 32x32x32), and the results are much better. It doesn't require too much RAM, especially compared with what was available in 1992.